Thursday
May 23, 2013

Homework Help: Please help with 5 math questions

Posted by Anonymous on Thursday, November 29, 2012 at 3:05pm.

1. 7r – 7 = 2r + 18

r = –5
r = 5
r = 2.2
r = 1.2

2. 2x + 12 = 18 – x

x = 3
x = 10
x = 6
x = 2

3. 8x – 3 = 15x + 18

x = –3
x = 3
x = 2.1
x = .9

4. 6y – 6 = 4y + 16

y = 2.2
y = –2.2
y = 11
y = 5

5. 3(x – 4) = 5(x + 2)

x = 11
x = –11
x = 1
x = –1

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